CN103909736B - Liquid injection device and method - Google Patents
Liquid injection device and method Download PDFInfo
- Publication number
- CN103909736B CN103909736B CN201310741583.9A CN201310741583A CN103909736B CN 103909736 B CN103909736 B CN 103909736B CN 201310741583 A CN201310741583 A CN 201310741583A CN 103909736 B CN103909736 B CN 103909736B
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- China
- Prior art keywords
- nozzle unit
- block device
- suction tube
- liquid injection
- aspirating mechanism
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- 239000007788 liquid Substances 0.000 title claims abstract description 80
- 238000002347 injection Methods 0.000 title claims abstract description 42
- 239000007924 injection Substances 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 112
- 239000012530 fluid Substances 0.000 claims abstract description 37
- 230000004044 response Effects 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims description 66
- 238000007789 sealing Methods 0.000 claims description 44
- 239000000463 material Substances 0.000 description 27
- 238000010926 purge Methods 0.000 description 19
- 238000012423 maintenance Methods 0.000 description 17
- 239000002699 waste material Substances 0.000 description 14
- 230000000903 blocking effect Effects 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 239000007921 spray Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16505—Caps, spittoons or covers for cleaning or preventing drying out
- B41J2/16508—Caps, spittoons or covers for cleaning or preventing drying out connected with the printer frame
- B41J2/16511—Constructions for cap positioning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16505—Caps, spittoons or covers for cleaning or preventing drying out
- B41J2/16508—Caps, spittoons or covers for cleaning or preventing drying out connected with the printer frame
- B41J2/16511—Constructions for cap positioning
- B41J2/16514—Constructions for cap positioning creating a distance between cap and printhead, e.g. for suction or pressurising
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/1652—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head
- B41J2/16532—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head by applying vacuum only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16585—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles for paper-width or non-reciprocating print heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2002/16573—Cleaning process logic, e.g. for determining type or order of cleaning processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2002/16594—Pumps or valves for cleaning
Landscapes
- Ink Jet (AREA)
- Coating Apparatus (AREA)
Abstract
The present invention relates to liquid injection device and method.Liquid injection device comprises the jet head liquid with multiple nozzle unit, multiple block device, travel mechanism, multiple suction tube, aspirating mechanism, jockey, and control device.The suction of control device control and suck mechanism and the corresponding block device of in nozzle unit and with the fluid in the different corresponding block devices in nozzle unit.Expiring in response to predetermined amount of time, this predetermined amount of time is the predetermined time amount that aspirating mechanism produces suction force, and control device carries out controlling to disconnect and this corresponding block device in nozzle unit from aspirating mechanism.
Description
The cross reference of related application
This application requires the priority of Japanese patent application No.2012-288991 and 2012-288993 submitted on December 28th, 2012, and they are incorporated to herein by reference.
Technical field
The disclosure relates in general to a kind of being configured to from the liquid injection device of nozzle atomizing of liquids, a kind of method safeguarding liquid injection device, and a kind of non-transitory computer-readable medium for controlling this liquid injection device.
Background technology
Ink-jet printer comprises ink gun, and each ink gun has nozzle surface.The nozzle surface of ink gun is covered or sealing by the head cap of correspondence.A suction pump is connected to head cap according to priority with the nozzle suction ink from ink gun.Viscous ink in the inner passage of ink gun comprising nozzle is discharged in head cap.Therefore, the ink jet performance of ink gun is improved.
Summary of the invention
In ink-jet printer, if the ink be discharged in head cap becomes dry, then dry ink may the inaccessible or passage of blocking from head cap to suction pump.Therefore, after ink is discharged in head cap, it is desirable to continue when head cap is opened utilize suction pump to aspirate ink, with by the ink discharge be stored in head cap to such as useless ink tank (such as, perform so-called idle aspirate).But, if performed according to priority about multiple head cap from the nozzle suction ink of ink gun with by ink discharge to the free time suction head cap, then for ink gun recovers the time increase required for ink jet performance.
The disclosure relates to a kind of liquid injection device that wherein can reduce the time of recovering required for Liquid inject performance, and a kind of computer-readable medium for controlling this liquid injection device.
According to an aspect of the present disclosure, suction can be performed in a first state, thus can be pumped in another block device that can be under opening while remaining liquid, the pressure that can make it possible to be in the block device under sealing state becomes negative pressure.When the first state transfer is to the second state, compared with not being reduced to the situation of negative pressure in advance with the pressure in block device, the pressure in block device promptly can be reduced to predetermined negative pressure.Correspondingly, the time of improving required for Liquid inject performance can be reduced.
Liquid injection device can comprise the jet head liquid with multiple nozzle unit, multiple block device, travel mechanism, multiple suction tube, aspirating mechanism, a jockey, and control device.Each nozzle unit can comprise for one or more nozzle from its atomizing of liquids.Each block device can be configured to relative to space outerpace seal in the plurality of nozzle unit for nozzle unit.Travel mechanism can be configured to move each block device relative to jet head liquid, each block device to be placed in the released state that the block contact condition that contacts with jet head liquid of device or device of blocking a shot are separated from jet head liquid.Each suction tube is connected to the corresponding corresponding block device in described multiple block device.Aspirating mechanism can be configured to the fluid by generation suction force in suction cover cap device.Jockey can be configured to aspirating mechanism is connected to each in the plurality of suction tube.Control device can control connection device and travel mechanism so that liquid injection device is placed in the first state, in the first state, aspirating mechanism is connected in the plurality of suction tube, be connected to the first suction tube with the corresponding block device of in the plurality of nozzle unit, with this in the plurality of nozzle unit one not relative to space outerpace by the fluid in the block device corresponding with this in the plurality of nozzle unit of suction under the opening that seals, and aspirating mechanism is connected in the plurality of suction tube, be connected to the second suction tube from the different corresponding block devices in the plurality of nozzle unit, with this in the plurality of nozzle unit different relative to space outerpace by the fluid in the block device corresponding from this different in the plurality of nozzle unit of suction under the sealing state that seals.Control device control and suck mechanism can aspirate fluid in the block device corresponding with this in the plurality of nozzle unit in a first state, and the fluid in the suction block device corresponding from this different in the plurality of nozzle unit.Liquid injection device can be placed in the second state by control connection device by control device, in this second state, expire in response to predetermined amount of time, the first suction tube being connected to the block device corresponding with this in the plurality of nozzle unit is disconnected by from aspirating mechanism, this predetermined amount of time is that aspirating mechanism produces the predetermined time amount of suction force in a first state, wherein in the second condition, the second suction tube being connected to the block device corresponding from this different in the plurality of nozzle unit is connected to aspirating mechanism.
A kind of non-transitory computer-readable storage media storing computer-readable instruction wherein can be provided, when at least one processor by liquid injection device performs, this computer-readable instruction indicating liquid spraying equipment performs process, this liquid injection device comprises: jet head liquid, this jet head liquid comprises multiple nozzle unit, and each nozzle unit comprises for one or more nozzle from its atomizing of liquids; Multiple block device, each block device is configured to the nozzle unit sealing the correspondence in the plurality of nozzle unit relative to space outerpace; Travel mechanism, this travel mechanism is configured to move each block device relative to jet head liquid, each block device to be placed in the contact condition that block device contacts with jet head liquid, or the released state that block device is separated from jet head liquid; Multiple suction tube, each suction tube is connected to the corresponding corresponding block device in described multiple block device; Aspirating mechanism, this aspirating mechanism is configured to the fluid by generation suction force in suction cover cap device; Jockey, this jockey is configured to aspirating mechanism is connected to each in the plurality of suction tube.Process can comprise: liquid injection device is placed in the first state by control connection device and travel mechanism, in the first state, aspirating mechanism is connected in the plurality of suction tube, be connected to the first suction tube with the corresponding block device of in the plurality of nozzle unit, with this in the plurality of nozzle unit one relative to space outerpace not by the fluid in the block device corresponding with this in the plurality of nozzle unit of suction under the opening that seals, and aspirating mechanism is connected in the plurality of suction tube, be connected to the second suction tube from the different corresponding block devices in the plurality of nozzle unit, with this in the plurality of nozzle unit different relative to space outerpace by the fluid in the block device corresponding from this different in the plurality of nozzle unit of suction under the sealing state that seals, control and suck mechanism aspirates the fluid in the block device corresponding with this in the plurality of nozzle unit in a first state, and aspirates the fluid in the block device corresponding from this different in the plurality of nozzle unit, and liquid injection device is placed in the second state by control connection device, in this second state, after predetermined amount of time expires, the first suction tube being connected to the block device corresponding with this in the plurality of nozzle unit is disconnected by from aspirating mechanism, this predetermined amount of time is that aspirating mechanism produces the predetermined time amount of suction force in a first state, wherein in the second condition, the second suction tube being connected to the block device corresponding from this different in the plurality of nozzle unit is connected to aspirating mechanism.
Can provide a kind of method safeguarding liquid injection device, this liquid injection device comprises: jet head liquid, and this jet head liquid comprises multiple nozzle unit, and each nozzle unit comprises for one or more nozzle from its atomizing of liquids; Multiple block device, each block device is configured to the nozzle unit sealing the correspondence in the plurality of nozzle unit relative to space outerpace; Travel mechanism, this travel mechanism is configured to move each block device relative to jet head liquid, each block device to be placed in the released state that the block contact condition that contacts with jet head liquid of device or device of blocking a shot are separated from jet head liquid; Multiple suction tube, each suction tube is connected to the corresponding corresponding block device in described multiple block device; Aspirating mechanism, this aspirating mechanism is configured to the fluid by generation suction force in suction cover cap device; Jockey, this jockey is configured to aspirating mechanism is connected to each in the plurality of suction tube; And control device.The method can comprise: liquid injection device is placed in the first state by control connection device and travel mechanism, in the first state, aspirating mechanism is connected in the plurality of suction tube, be connected to the first suction tube with the corresponding block device of in the plurality of nozzle unit, with this in the plurality of nozzle unit one not relative to space outerpace by the fluid in the block device corresponding with this in the plurality of nozzle unit of suction under the opening that seals, and aspirating mechanism is connected in the plurality of suction tube, be connected to the second suction tube from the different corresponding block devices in the plurality of nozzle unit, with this in the plurality of nozzle unit different relative to space outerpace by the fluid in the block device corresponding from this different in the plurality of nozzle unit of suction under the sealing state that seals, the fluid of control and suck mechanism in the block device that the first state suction is corresponding with this in the plurality of nozzle unit, and aspirate the fluid in the block device corresponding from this different in the plurality of nozzle unit, and liquid injection device is placed in the second state by control connection device, in this second state, after predetermined amount of time expires, the first suction tube being connected to the block device corresponding with this in the plurality of nozzle unit is disconnected by from aspirating mechanism, this predetermined amount of time is that aspirating mechanism produces the predetermined time amount of suction force in a first state, and the second suction tube being wherein connected to the block device corresponding from this different in the plurality of nozzle unit is connected to aspirating mechanism in the second condition.
According to following the detailed description and the accompanying drawings of the present invention, those of ordinary skill in the art will know other object, feature, and advantage.
Brief Description Of Drawings
By reference to the accompanying drawings reference is carried out for following explanation now.
Figure 1A is the outline side sectional view of the ink-jet printer according to one or more aspect of the disclosure;
Figure 1B is the plan view of the nozzle surface of the ink gun of ink-jet printer;
Fig. 2 is the chart of the maintenance unit of the ink-jet printer describing Figure 1A;
Fig. 3 is according to an exemplary embodiment, the cross sectional view of the rotary valve of the maintenance unit of Fig. 2;
Fig. 4 is the block diagram of the hardware configuration of the control device of the ink-jet printer describing Figure 1A;
Fig. 5 is the block diagram of the parts of the ink-jet printer describing Figure 1A;
Fig. 6 describes the flow chart for the attended operation of the ink-jet printer of Figure 1A;
Fig. 7 A-7C is chart and the form of the operation of the maintenance unit of depiction 2;
Fig. 8 A-8C is chart and the form of the operation of the maintenance unit of depiction 2;
Fig. 9 is the sequential chart of the operation of the maintenance unit of depiction 2;
Figure 10 A and 10B is the cross sectional view of the rotary valve according to an exemplary embodiment;
Figure 11 A-11C is chart and the form of the operation of the rotary valve of depiction 10A and 10B;
Figure 12 is the chart of a part of the maintenance unit describing amendment;
Figure 13 is the chart of the rotary valve describing amendment;
Figure 14 is the chart of the maintenance unit describing amendment;
Figure 15 A is the plan view of the nozzle surface of the ink gun of amendment;
Figure 15 B describes the chart for the maintenance unit of the ink gun of the amendment of Figure 15 A.
Detailed description of the invention
Be described in detail with reference to the attached drawings exemplary embodiment here, Reference numeral identical is in the various figures used to identical corresponding part.
As described in figure ia, ink-jet printer 1 can comprise upper casing 11 and lower casing 12.Each of upper casing 11 and lower casing 12 can have rectangular shape.The front side 3 of printer 1 and rear side 4 can put left side in figure ia and right side respectively.The lower surface of upper casing 11 can have opening.The upper surface of lower casing 12 can have opening.Upper casing 11 can be pivotally connected to lower casing 12 around pivotal axis 13.Upper casing 11 can move between a closed position and a open position pivotally, and in closed position, limit the inner space of printer 1 by making the upper surface of the lower surface of upper casing 11 contact lower casing 12, in open position, the inner space of printer 1 is opened.Opening/closing sensor 16 can be fixed on the upper surface of lower casing 11.Opening/closing sensor 16 can be configured to the output detections signal when upper casing 11 is in the closed position and when upper casing 11 is in an open position not output detections signal.Printer 1 can comprise the locking mechanism 14 being configured to the pivoting action adjusting upper casing 11 when upper casing 11 is in the closed position.Sheet material efferent 15 can be placed on the upper surface of upper casing 11.The sheet material P that it completes printing can be outputted on sheet material efferent 15 according to priority.
Six ink guns 2, film tray 20, sheet material feed mechanism 30, pressing plates 9, and maintenance unit 40 can be placed in the inner space of printer 1.
As described in fig. ib, each ink gun 2 can have rectangular shape substantially.Ink gun 2 can have jeting surface 2a on the lower surface thereof.Jeting surface 2a can have the nozzle 8 that can spray ink droplet from it.Ink can be fed to ink gun 2 by from ink tank (not described).The ink being fed to ink gun 2 via public ink chamber and can arrive nozzle 8 with the pressure chamber of public ink chamber in fluid communication.Be configured to execute to the ink be stored in pressure chamber the inside that stressed actuator (not described) can be placed at ink gun 2.When actuator is driven, ink droplet can be sprayed from nozzle 8.
Each in these six ink guns 2 can correspond to one of different ink type, and type is such as color, such as yellow, light cyan, shallow carmetta, cyan, carmetta and black.The ink gun 2 corresponding with yellow, light cyan, shallow carmetta, cyan, carmetta and black ink color can be arranged according to this order from upstream side in the feed direction of sheet material P.In this exemplary embodiment, each ink gun 2 can correspond to one of different ink type.In another embodiment, multiple ink gun 2 can correspond to an ink type, or an ink gun 2 can correspond to multiple ink type.
Film tray 20 can be configured to the stacking of maintenance sheet material P.Film tray 20 can be seated on the basal surface of lower casing 12 removedly.
Pressing plate 9 can comprise the board member being configured to support sheet P.Pressing plate 9 can be fixed to lower casing 12, relative with the jeting surface 2a of ink gun 2 when upper casing 11 is in the closed position.The size of pressing plate 9 on main scanning direction and sub scanning direction can less times greater than the size of the jeting surface 2a of six ink guns 2.
Sheet material feed mechanism 30 can comprise by the part between six ink guns 2 and pressing plate 9 from film tray 20 to sheet material efferent 15, for the feed path of sheet material P.Sheet material feed mechanism 30 may further include pick-up roller 31, roll 32a-32e, and guiding piece 33a-33d.Pick-up roller 31 can be configured to the stacking pickup from the sheet material P film tray 20 and be fed to uppermost sheet material P.Roll 32a-32e can put along feed path.Roll 32a-32e can apply feeding active force to sheet material P.Guiding piece 33a can be placed between pick-up roller 31 and roll 32a in feed path.Guiding piece 33a can be configured to guide sheet material P until the sheet material P with the feeding active force applied to it by pick-up roller 31 is fed to ensuing roll 32a.Similarly, guiding piece 33b, 33c, and 33d can be placed at respectively between roll 32a and 32b, 32c and 32d and 32d and 32e in feed path.Guiding piece 33b-33d can be configured to guide sheet material P until have by roll 32a, 32c, and the sheet material P of feeding active force that 32d applies to it is fed to ensuing roll 32b, 32d, and 32e.When the sheet material P be fed to by sheet material feed mechanism 30 between six ink guns 2 and pressing plate 9 through out-of-date, by from each ink gun 2, ink droplet that the jeting surface 2a with nozzle 8 sprays can on sheet material P printed drawings picture.The sheet material P with the image printed thereon can be fed to by sheet material feed mechanism 30 and be output to sheet material efferent 15 in feed direction.
As described in Figure 1A and 2, maintenance unit 40 can be configured to perform attended operation to recover the blocking of the nozzle 8 of such as ink gun 2.Attended operation can comprise purge operations, in this operation can from nozzle Final 8 discharge ink.Maintenance unit 40 can comprise six cap components 41, elevation mechanism 42, six suction tubes 43, pump 44, waste liq pipe 45, rotary valves 46, and waste liq tank 51.
Each in six cap components 41 can comprise elastic component, and this elastic component is configured to the space outerpace relative to such as air and seals the nozzle 8 of corresponding ink gun 2.Each cap component 41 can comprise the recess 41a had towards upper openend, thus allows to surround jeting surface 2a.Each cap component 41 can have annular shape.As the upper-end contact jeting surface 2a of recess 41a, recess 41a can be placed in the sealing state (the most left cap component 41 with reference in figure 2) of all nozzles 8 of ink gun 2 that can be corresponding relative to space outerpace sealing.When the upper end of recess 41a is separated from jeting surface 2a, recess 41a can be placed in opening, such as open state, and nozzle 8 can externally space opening (the cap component 41 with reference in figure 2 except the most left cap component 41) in a state in which.
Elevation mechanism 42 can support six the cap components 41 that can arrange in one direction.Elevation mechanism 42 can be configured to relative to corresponding jeting surface 2a move up and down in six cap components 41 each, thus cap component 41 can be placed independently sealing state or open state.When printer 1 etc. is to be printed, elevation mechanism 42 such as can move relative to the sheet material of Figure 1A below backward at pressing plate 9, thus not relative with jeting surface 2a.When performing attended operation, elevation mechanism 42 can be moved mechanism's (not described) and move to maintenance position, relative with corresponding jeting surface 2a at maintenance position cap component 41.Except purge operations, attended operation can also comprise by utilize cap component 41 to seal jeting surface 2a to prevent or alleviate nozzle 8 become dry seal operation.Elevation mechanism 42 can be configured to relative to corresponding jeting surface 2a move up and down in cap component 41 each.In addition, elevation mechanism 42 can be configured to move two or more cap component 41 up and down relative to corresponding jeting surface 2a simultaneously.
Pump 44 can be configured to the fluid aspirated in the recess 41a of cap component 41, such as air or ink.Pump 44 can be configured to produce suction force.Rotary valve 46 can be configured such that one or two cap components 41 in six cap components 41 are communicated with pump 44.Waste liq tank 51 can be configured to store the useless ink discharged from the nozzle 8 of ink gun 2.Wherein from the relatively large quantity of ink of nozzle Final 8 system discharge purge operations and the flushing operation that wherein sprays ink droplet from nozzle 8 can produce useless ink.Each in six suction tubes 43 at one end can be connected to of correspondence in the recess 41a of cap component 41 and be connected to rotary valve 46 at the other end.Waste liq pipe 45 can at one end be connected to rotary valve 46 and be connected to waste liq tank 51 at the other end.Waste liq pipe 45 can be connected to pump 44.
As described in figs 2 and 3, rotary valve 46 can comprise rotating shaft, has the housing 55 of hollow cylindrical shape and be seated in the rotating member 56 in the inner space 55b of housing 55.Rotating member 56 can have cylindrical shape.Rotating member 56 can be configured to rotate in the 55b of inner space along the circumferential direction of housing 55.Housing 55 can have seven open communication 55a, and inner space 55b can be formed with space outerpace by these seven open communication 55a and be communicated with.In these seven open communication 55a, circumferentially direction is seated in different one that one of six open communication 55a on the outer periphery surface of housing 55 can correspond in port A-F.The open communication 55a formed in the central part office of the end face of housing 55 can correspond to port G.Suction tube 43 can be connected to port A-F.Waste liq pipe 45 can be connected to port G.
Rotating member 56 can have the first flow path 56a and the second flow path 56b that extend to rotating shaft along the radial direction of housing 55 from the outer periphery surface of housing 55, extends and make the first flow path 56a and the second flow path 56b and port G form the 3rd flow path 56c be communicated with along rotating shaft.Along with the second flow path 56b extends near the outer periphery surface of housing 55 more, the second flow path 56b can become wider in the circumferential direction of housing 55.Correspondingly, the area of section of the passage of the first flow path 56a can be less than the area of section of the passage of the second flow path 56b.In port A-F, when rotating member 56 rotates in one direction, first and second flow path 56a, 56b can according to priority with one of adjacent two port A-F, these two adjacent port A-F and these two adjacent port A-F another be communicated with.Such as, the second flow path 56b can be connected to one of these two adjacent port A-F.Then, each in the first and second flow path 56a and 56b can be connected to different one in these two adjacent port A-F.Then, the second flow path 56b can be connected to another in these two adjacent port A-F.As will be described below, when the first flow path 56a is connected to port A-F for the moment, open state can be placed in this corresponding recess 41a in port A-F.When the second flow path 56b is connected to port A-F for the moment, sealing state can be placed in this corresponding recess 41a in port A-F.Now, namely one or two recess 41a be associated with one or two ports A-F being connected to the first flow path 56a and/or the second flow path 56b can be connected to port G(, pump 44).Motor (not described) can control the position of rotation of rotating member 56.
As described in the diagram, control device 1p can comprise: CPU (CPU) 71; Electricity can be cleaned and programmable read only memory (EEPROM) 72, is configured to store the program by being performed by CPU71 rewritably, such as computer-readable instruction, and the data will used by program; Random-access memory (ram) 73, is configured to temporary storage data when executing a program; I/F circuit 74, is configured to and external device (ED), such as PC90, executive communication; And I/O circuit 75, be connected to touch panel 76 and various sensor (not described).CPU71, EEPROM72, RAM73, I/F circuit 74 and I/O circuit 75 can interconnect via data/address bus 81.Can with the software cooperation of hardware 71-75 and the such as computer-readable instruction stored in EEPROM72 construct as the control device 1p described in Figure 5 print control unit 61, safeguard controller 62, and display controller 63.
As described in Figure 5, control device 1p can comprise print control unit 61, safeguard controller 62, and display controller 63.Print control unit 71 can be configured to control ink gun 2 and sheet material feed mechanism 30 thus the image printing expectation on sheet material P.Display controller 63 can be configured to control touch panel 76.Safeguard that controller 62 can be configured to control elevation mechanism 42, rotary valve 46 and pump 44, thus perform the attended operation comprising purge operations.Purge operations can comprise suction operation, idle suction operation, and suction operation in advance.In suction operation, the fluid of the recess 41a of the cap component 41 being placed in sealing state can be aspirated.In idle suction operation, the fluid of the recess 41a of the cap component 41 being placed in open state can be aspirated.In suction operation in advance, perform idle suction operation side by side with for a cap component 41, the fluid of the recess 41a of another cap component 41 be placed under sealing state can be aspirated.
As described in figure 6, when purge operations starts, safeguard that controller 62 can move elevation mechanism 42, thus in the recess 41a of cap component 41 each can with the corresponding jeting surface 2a relative (S101) of ink gun 2.Safeguard that controller 62 can control elevation mechanism 42 and be in sealing state (S102) to make all cap components 41.Therefore, nozzle 8 can be sealed to prevent or be alleviated nozzle 8 to become dry.Safeguard that controller 62 can rotate rotating member 56 with connectivity port A and the second flow path 56b, as described in fig. 7, to perform suction operation for the ink gun 2 corresponding with port A.Correspondingly, recess 41a that is corresponding with port A, the cap component 41 be placed under sealing state can be communicated with pump 44.In this state, when pump 44 is by driving predetermined time, suction operation can be performed.Correspondingly, ink can be purged to the recess 41a corresponding with port A (S103) from the nozzle 8 of the ink gun 2 sealed by the recess 41a corresponding with port A.
Safeguard that controller 62 can perform the idle suction operation for an ink gun 2 and the suction operation in advance for another ink gun 2 simultaneously.More specifically, can by by with just open state is placed in the cap component 41 that it performs the ink gun 2 of suction operation corresponding, perform idle suction.When cap component 41 is in open state, during suction operation can being pumped in during idle suction operation, be stored in the ink in recess 41a.With execution idle suction operation side by side, by the cap component 41 corresponding with another ink gun 2 is placed in sealing state, for following, another ink gun 2 it being performed to suction operation can be performed suction operation (S104) in advance before suction operation.Such as, safeguard that controller 62 can control elevation mechanism 42, to make the cap component 41 corresponding with port A enter open state from sealing state, and the maintenance cap component 41 corresponding with port B is in sealing state (the first sealing state).In addition, as described in figure 7b, safeguard that controller 62 can be rotated counterclockwise rotating member 56, respectively port A and B to be connected to the first flow path 56a and the second flow path 56b(first state).Correspondingly, two recess 41a of corresponding with port A with B cap component 41 can be communicated with just driven pump 44.Correspondingly, idle suction operation can be performed for the recess 41a of cap component 41 that is corresponding with port A, that be placed in open state.Suction operation in advance can be performed for the recess 41a of cap component 41 that is corresponding with port B, that be placed in sealing state.
Safeguard that controller 62 can be waited for until elapsed time becomes and equals time t1(S105 from idle suction operation has started: no).Time t1 can be the time that idle suction operation can continue.More specifically, time t1 can be longer than or equal aspirate by experience idle suction operation cap component 41 recess 41a institute can store wherein maximum quantity of ink whole required for times.Correspondingly, remaining ink in recess 41a can be reliably emitted on.As described in fig .9, when performing idle suction operation to be pumped in remaining ink in the recess 41a corresponding with port A, the internal pressure of the recess 41a corresponding with port A and B can reduce.After this, when in the recess 41a corresponding with port A, remaining ink is all sucked, port A can be communicated with air, thus the internal pressure of the recess 41a corresponding with port A and B can increase.Such as, but pump 44 can continue pumping fluid, air, thus certain negative pressure can be maintained.
When safeguard controller 62 determine elapsed time become equal time t1 time (S105: yes), safeguard that controller 62 can determine whether to complete idle suction operation (S106) for all ink guns 2.When safeguarding that controller 62 is determined to complete idle suction operation for all ink guns 2 (S106: yes), safeguard that all cap components 41 can be placed in open state (S109) by controller 62.After this, safeguard that elevation mechanism 42 can be moved to elevation mechanism 42 position not relative with jeting surface 2a herein (S110) by controller 62.Then, purge operations can terminate.
When safeguarding that controller 62 is determined not complete idle suction operation for all ink guns 2 (S106: no), safeguard that controller 62 can continue to carry out purge operations (S107) for next ink gun 2.Safeguard that controller 62 can control elevation mechanism 42 and make the cap component 41 corresponding with port A enter sealing state from open state, and the maintenance cap component 41 corresponding with port B is in sealing state.As described in fig. 7 c, when port A is stopped, safeguard that controller 62 can be rotated counterclockwise rotating member 56 to maintain the connection (the second state) between port B and the second flow path 56b.Correspondingly, the recess 41a of cap component 41 that is corresponding with port B, that be placed in sealing state can be communicated with just driven pump 44.Suction operation can start to purge ink from the nozzle 8 of the ink gun 2 sealed by recess 41a.Now, as described in fig .9, by the suction operation in advance that can perform in advance before suction operation, the pressure in the recess 41a corresponding with port B can be maintained as negative pressure.Therefore, as compared with the situation (dotted line with reference in figure 9) not performing suction operation in advance, the pressure in the recess 41a corresponding with port B can promptly be reduced to the negative pressure of expectation with the time shortened.Correspondingly, effectively ink can be purged from the nozzle 8 of the ink gun 2 sealed by the recess 41a corresponding with port B.Then, safeguard that controller 62 can be waited for until elapsed time becomes and equals time t2(S108 from suction operation has started: no).Time t2 can correspond to the time can being recovered the ink jet performance of the nozzle 8 of ink gun 2 by purge operations.
When safeguard controller 62 determine elapsed time become equal time t2 time (S108: yes), can for just performing idle suction operation to the recess 41a that it performs suction operation in process as above.Meanwhile, suction operation in advance can be performed for the recess 41a corresponding with next ink gun 2, if also there is any ink gun 2.Can for port B and C, port C and D, port D and E, and port E and F repeats above-mentioned steps S104-S108(with reference to figure 8A and 8B), to perform suction operation, suction operation and idle suction operation in advance according to priority for the ink gun 2 corresponding with port C-F.As described in Fig. 8 C, for the ink gun 2 corresponding with port F, can when do not perform simultaneously in advance suction operation perform idle suction operation (S104) independently.In this exemplary embodiment, when the idle suction operation for the ink gun 2 corresponding with port F completes, safeguard that controller 62 can be determined to complete idle suction operation (S106: yes) for all ink guns 2, safeguard that all cap components 41 can be placed in open state (S109) by controller 62, and then elevation mechanism 42 is moved to elevation mechanism 42 position not relative with jeting surface 2 herein.Then, purge operations can terminate (S110).
Printer 1 according to this exemplary embodiment can perform suction in a first state, thus can side by side perform suction operation in advance with idle suction operation, to make the pressure in the recess 41a of the cap component 41 of experience suction operation become negative pressure.Compared with not being reduced to the situation of negative pressure in advance with recess 41a before performing suction operation, when suction operation is converted to suction operation in advance, the pressure in recess 41a can promptly be reduced to predetermined negative pressure.Correspondingly, ink can be purged effectively, and can shorten the time of recovering required for ink jet performance.
The time t1 that idle suction operation can continue can be whole required times of being longer than or equaling to aspirate the maximum quantity of ink that can be stored by the recess 41a of the cap component 41 of the idle suction operation of experience wherein.Therefore, reliably remaining ink recess 41a can be emitted on from recess 41a.
In addition, by using rotary valve 46, easily can be arranged in the connection between six suction tubes 43 and waste liq pipe 45, and the reduction of the size of printer 1 can be realized.
In the rotating member 56 of rotary valve 46, the area of section of the passage of the first flow path 56a can be less than the area of section of the passage of the second flow path 56b.Therefore, in suction operation in advance, the pressure in the recess 41a be communicated with the second flow path 56b can be effectively made to become negative pressure.
Except performing except a cap component 41 of idle suction operation, under cap component 41 can be placed in sealing state to it.Therefore, can prevent from or alleviate nozzle 8 to become dry.
The difference of the second exemplary embodiment and the first exemplary embodiment can be rotary valve 146.Structure and the operation of rotary valve 146 are described with reference to figure 10A-11C below.Reference numeral identical in Figure 10 A-11C can be used to identical corresponding component and can here omit be described in detail about the second exemplary embodiment.
Rotary valve 146 can comprise rotating shaft, has the housing 55 of hollow cylindrical shape and be seated in the rotating member 56 in the inner space 55b of housing 55.Rotating member 56 can have cylindrical shape.Rotating member 56 can be configured to rotate in the 55b of inner space along the circumferential direction of housing 55.Housing 55 can have seven open communication 55a, and inner space 55b can pass through this seven open communication 55a and space outerpace, such as air, is formed and is communicated with.In these seven open communication 55a, circumferentially one of six open communication 55a equi-angularly putting with the angle of 60 degree on the outer periphery surface of housing 55 of direction can correspond to different in port A-F.The open communication 55a formed in the central part office of the end face of housing 55 can correspond to port G.Suction tube 43 can be connected to port A-F.Waste liq pipe 45 can be connected to port G.
Rotating member 56 can have six communication paths 156aa, 156ab, 156ba, 156bb, 156ca extending to rotating shaft along the radial direction of housing 55 from the outer periphery surface of housing 55, and 156cb, and along rotating shaft extend and make communication path 156aa, 156ab, 156ba, 156bb, 156ca, form with 156cb and port G the communication path 156d be communicated with.Communication path 156aa and 156ab, communication path 156ba and 156bb, and communication path 156ca and 156cb can be pairing.Communication path 156aa and 156ab can relative to circumferential direction with the angle of 60 degree separately.Communication path 156ba and 156bb can relative to circumferential direction with the angle of 120 degree separately.Communication path 156ca and 156cb can relative to circumferential direction with the angle of 180 degree separately.Along with each communication path 156aa, 156ab, 156ba, 156bb, 156ca, more extend near the outer periphery surface of housing 55 with 156cb, each in circumferential direction in communication path 156aa-156cb can become wider, thus towards at a pair 156aa and 156ab; 156ba and 156bb; And expand away from the side of another in communication path 156aa-156cb in 156ca and 156cb.A pair communication path 156aa and 156ab; 156ba and 156bb; And 156ca and 156cb can relative to circumferential direction with the angle except 60 degree and other right communication path 156aa and 156ab; 156ba and 156bb; And 156ca and 156cb divides out.
In port A-F, when rotating member 56 rotates in one direction, communication path 156aa and 156ab; 156ba and 156bb; 156ca with 156cb can be communicated with another of one of optional two port A-F, optional two port A-F and optional two port A-F according to priority.Such as, a pair communication path 156aa and 156ab; 156ba and 156bb; One of 156ca with 156cb can be communicated with one of optional two port A-F.Then, a pair communication path 156aa and 156ab; 156ba and 156bb; Each in 156ca with 156cb can be communicated with from different in optional two port A-F.Then, a pair communication path 156aa and 156ab; 156ba and 156bb; In 156ca with 156cb another can with select arbitrarily in two port A-F another be communicated with.Port A-F equi-angularly can put with the angle of 60 degree.Therefore, any one in two port A-F selected can with 60 degree, 120 degree, and any one in the angle of 180 degree is separated.Communication path 156aa and 156ab; Any can being used to for a pair in 156ba and 156bb, 156ca and 156cb is connected to one or two ports A-F.A pair communication path 156aa and 156ab; 156ba and 156bb; Can relative to circumferential direction with the angle except 60 degree and other is to communication path 156aa and 156ab with 156ca and 156cb; 156ba and 156bb; Divide out with 156ca and 156cb.Therefore, other is to communication path 156aa and 156ab; 156ba and 156bb, 156ca and 156cb may not be connected to other port A-F.
Such as, as described in Figure 10 A, when port A with D separated with the angle of 180 degree and pump 44 formed be communicated with time, a pair communication path 156ca and 156cb separated with the angle of 180 degree can be connected to port A and D.In Figure 10 A, communication path 156ca can be connected to port A, and communication path 156cb can be connected to port D.As described in fig. 1 ob, when port A with E separated with the angle of 120 degree and pump 44 formed be communicated with time, a pair communication path 156ba and 156bb separated with the angle of 120 degree can be connected to port A and E.In fig. 1 ob, communication path 156bb can be connected to port A, and communication path 156ba can be connected to port E.In addition, when port A with B separated with the angle of 60 degree and pump 44 formed be communicated with time, a pair communication path 156aa and 156ab separated with the angle of 60 degree can be connected to port A and B.In Figure 11 B, communication path 156aa can be connected to port A, and communication path 156ab can be connected to port B.
In this exemplary embodiment, purge operations can be performed for every two ink guns 2 at random selected.Such as, when these two ink guns 2 being selected for purge operations correspond to port A and B, safeguard that controller 62 can control elevation mechanism 42 and make the cap component 41 corresponding to port B enter sealing state.As described in Figure 11 A, safeguard controller 62 rotate rotating member 56 be communicated with to make port B and pump 44 be formed and stop other port A and C-F time, communication path 156ab can be connected to port B.Now, communication path 156aa can be placed on side relative with port A clockwise.Correspondingly, the recess 41a of cap component 41 that is corresponding with port B, that be placed in sealing state can be communicated with pump 44.In this state, pump 44 can by driving predetermined time to perform suction operation.Therefore, ink can be purged to the recess 41a corresponding with port B from the nozzle 8 of the ink gun 2 sealed by the recess 41a corresponding with port B.
In addition, safeguard that controller 62 can control elevation mechanism 42 and make the cap component 41 corresponding with port B enter open state from sealing state, and the maintenance cap component 41 corresponding with port A is in sealing state (the first sealing state).As described in Figure 11 B, safeguard that controller 62 can turn clockwise rotating member 56 respectively port A and B is connected to communication path 156aa and 156ab(first state).Correspondingly, two recess 41a of corresponding with port A with B cap component 41 can be communicated with just driven pump 44.Correspondingly, idle suction operation can be performed for the recess 41a of cap component 41 that is corresponding with port B, that be placed in open state.Suction operation in advance can be performed for the recess 41a of cap component 41 that is corresponding with port A, that be placed in sealing state.
Safeguard that controller 62 can be waited for until elapsed time becomes and equals time t1 ' from idle suction operation has started.Time t1 ' can be the time that idle suction operation can continue.More specifically, time t1 ' can be less than or equal to suction by experience idle suction operation cap component 41 recess 41a institute can store wherein maximum quantity of ink whole required for times.Correspondingly, when being pumped in remaining ink in the recess 41a corresponding with port B by idle suction operation, the internal pressure of the recess 41a corresponding with port A and B can be reduced.Idle suction operation can be stopped before being sucked of remaining whole quantity of ink in the recess 41a corresponding with port B.Correspondingly, negative pressure can be maintained in the recess 41a corresponding with port A.
When safeguard controller 62 determine elapsed time become equal time t1 ' time, safeguard that controller 62 can control under the cap component 41 corresponding with port A and B be placed in sealing state by elevation mechanism 42.As described in Figure 11 C, when port B is stopped, safeguard that controller 62 can turn clockwise rotating member 56 so that port A is connected to communication path 156aa.Correspondingly, the recess 41a of cap component 41 that is corresponding with port A, that be placed in sealing state can be communicated with just driven pump 44.Suction operation can start to purge ink from the nozzle 8 of the ink gun 2 sealed by the recess 41a corresponding with port A.Now, by the suction operation in advance that can perform in advance before suction operation, the pressure in the recess 41a corresponding with port A can be maintained negative pressure.Therefore, as compared with not performing the situation of suction operation in advance, the pressure in the recess 41a corresponding with port A can promptly be reduced to the negative pressure of expectation with the time shortened.Correspondingly, effectively ink can be purged from the nozzle 8 of the ink gun 2 sealed by the recess 41a corresponding with port A.
After this, when when having started from suction operation, elapsed time becomes and equals time t2, in order to the idle suction operation will performed after suction operation, safeguard that controller 62 can control elevation mechanism 42 and make the cap component 41 corresponding with port A enter open state from sealing state.Now, pump 44 can be communicated with that can experience idle suction operation, corresponding with a port A ink gun 2, thus effectively can be pumped in remaining ink in the recess 41a corresponding with port A.Have passed through having started from idle suction operation the scheduled time to complete the suction of remaining ink in recess 41a time, safeguard that controller 62 can stop driving pump 44.Safeguard that all cap components 41 can be placed in open state by controller 62, and then elevation mechanism 42 is moved to elevation mechanism 42 position not relative with jeting surface 2 herein.Then, purge operations can terminate.
Printer 1 according to this exemplary embodiment can perform suction in a first state, thus can side by side perform suction operation in advance with idle suction operation, to make the pressure in the recess 41a of the cap component 41 of experience suction operation become negative pressure.Compared with not being reduced to the situation of negative pressure in advance with the pressure before performing suction operation in recess 41a, when suction operation is converted to suction operation in advance, the pressure in recess 41a can promptly be reduced to predetermined negative pressure.Correspondingly, effectively can purge ink, and the time of recovering required for ink jet performance can be shortened.
The time t1 ' that idle suction operation can continue can be the whole required times being less than or equal to the maximum quantity of ink that the recess 41a of the cap component 41 of the idle suction operation of experience can store by suction wherein.Therefore, negative pressure can be maintained in the recess 41a experiencing suction operation in advance.
In addition, in the purge operations for optional two ink guns 2, pump 44 can with correspond to experience second of idle suction operation or a port of last ink gun 2 be communicated with.Therefore, in the recess 41a corresponding with this port, remaining ink can be effectively pumped.
Purge operations can be performed for optional two ink guns 2.Therefore, effectively purge operations can be performed where necessary, to reduce the consumption of ink.
In above-mentioned exemplary embodiment, the end of cap component 41 can contact jeting surface 2a(contact condition) to make cap component 41 enter sealing state.The end of cap component 41 can be separated (released state) from jeting surface 2a and enter open state to make cap component 41.Alternately, other can be utilized to be configured in the state changing cap component 41 between sealing state or contact condition and open state or released state.Such as, as described in fig. 12, cap component 41 can have the air connection path 241b formed in its side-walls.Air connection path 241b can with air communication.Cap component 41 can comprise the valve 246a being configured to open or close air connection path 241b.Utilize this structure, when cap component 41 contacts jeting surface 2a, valve 246a can open or close, promptly to change the state of cap component 41 between sealing state and open state.That is, in this case, even if the contact condition contacted with jeting surface 2a at cap component 41, when valve 246a closes, it also can be in sealing state, and when valve 246a opens, it also can be in open state.
As described in fig. 13, the outer periphery surface of the housing 355 of rotary valve 346 can have air communication opening 355a in the position being adjacent to each open communication 55a.The rotating member 356 of rotary valve 346 can have the air connection path 356c that the first flow path 56a can be connected to air communication opening 355a.Even if when cap component 41 contacts jeting surface 2a, the recess 41a being connected to open communication 55a also can be communicated with air.The control of elevation mechanism 42 can be simplified.The area of section of the passage of air communication opening 355a can be set to be less than the area of section of the passage of the first flow path 56a, thus the pumping efficiency during suction operation in advance can be increased in.
In above-mentioned exemplary embodiment, rotary valve 46,146,346 can be used as jockey.Alternately, as described in fig. 14, substituting rotary valve 46,146,346, open/closed valve 446 can be provided for each suction tube 43.Safeguard that controller 62 can control open/closed valve 446 independently and operate to be similar to rotary valve 46,146,346.
In above-mentioned exemplary embodiment, each ink gun 2 can be configured to spray the ink droplet of the type with different such as colors.Alternately, the number of ink gun 2 may not correspond to the number of the type of injected ink droplet.Such as, as described in Figure 15 A, an ink gun 502 can be configured to the ink droplet of injection six types.Utilize this structure, its each comprise nozzle 8 six nozzle unit modules 509 can put along main scanning direction.Each nozzle unit module 509 can comprise the row of the nozzle 8 according to ink type.As described in Figure 15 B, cap component 41 can seal the nozzle 8 of corresponding nozzle unit module 509.In above-mentioned exemplary embodiment, cap component 41 can be arranged on sub scanning direction.In this amendment, cap component 41 can be arranged on main scanning direction.
Although describe the disclosure in detail with reference to its specific embodiment, this is only example, and can apply various change, layout and amendment wherein when not departing from spirit and scope of the present disclosure.
Such as, in above-mentioned exemplary embodiment, in that rotating member 56 can be placed at housing 55, that there is hollow cylindrical shape inner space 55b.Rotating member 56 can be configured to rotate in the 55b of inner space along the circumferential direction of housing 55.The shape of the inner space 55b of housing 55 can have any shape, if rotating member 56 can rotate in the 55b of inner space.Such as, the rotating member with spherical form can be configured to rotate in the inner space of the housing with spherical form.
In the first exemplary embodiment, in the rotating member 56 of rotary valve 46, the area of section of the passage of the first flow path 56a can be less than the area of section of the passage of the second flow path 56b.Alternately, the area of section of the passage of the first flow path 56a can be greater than or equal to the area of section of the passage of the second flow path 56b.
According to the communication path 156aa-156cb of the second flow path 56b of the rotating member 56 of the first exemplary embodiment and the rotating member 56 according to the second exemplary embodiment, along with they extend near the outer periphery surface of housing 55 more, can be wider in the circumferential direction of housing 55.Alternately, path 56b, and 156aa-156cb can have any shape.Such as, path 56b and 156aa-156cb can extend with uniform width.
In addition, in the first and second exemplary embodiments, port A-F can be arranged with identical height or level along the outer periphery surface of housing 55.Port A-F can be put by with any position relationship.Such as, any one in port A-F can be placed at different positions on the direction of the circumferential direction perpendicular to housing 55.
In the first exemplary embodiment, time t1 can be longer than or equal whole required times of aspirating the maximum quantity of ink that can be stored by the recess 41a of the cap component 41 of the idle suction operation of experience wherein.Alternately, time t1 also can comprise the required time of the whole quantity of ink be pumped in suction tube 43 and waste liq pipe 45.When during aspirating, ink remaines in suction tube 43 or waste liq pipe 45, be attached to suction tube 43 or waste liq pipe 45 ink can along with passage of time inaccessible or blocking pipe 43,45.Therefore, when time t1 is also set to be pumped in the time required for whole quantity of ink of existing in suction tube 43 or waste liq pipe 45, suction tube 43 or waste liq pipe 45 can be reduced by this possibility that is inaccessible or blocking.
In addition, in the first exemplary embodiment, safeguard that controller 62 can start the idle suction operation for an ink gun 2 and the suction operation in advance for another ink gun 2 simultaneously.Alternately, safeguard that controller 62 can start the suction operation in advance for another ink gun 2 after starting the idle suction operation for an ink gun 2.
In the exemplary embodiment, control device 1p can comprise CPU71.In another embodiment, control device 1p can comprise one or more CPU71, one or more special IC (" ASIC "), or the combination of one or more CPU71 and one or more ASIC.
Except printer, the disclosure can also be applied to other device, such as facsimile machine, duplicator etc.Except ink, ink gun 2 can also be configured to spray other liquid or fluid.Recording medium can be not limited to sheet material P but can comprise any recording medium for printing.
Although combined and present embodiments described the present invention, it will be understood to those of skill in the art that the variants and modifications that can realize above-mentioned exemplary embodiment when not departing from scope of the present invention.By considering description or the practice of invention disclosed here, to those skilled in the art, other embodiment will be obvious.Be intended that, when true scope of the present invention is limited by following claim, the example of description and description is only regarded as example of the present invention.
Claims (13)
1. a liquid injection device, comprising:
Comprise the jet head liquid of multiple nozzle unit, each nozzle unit comprises one or more for the nozzle from its atomizing of liquids;
Multiple block device, each block device is configured to relative to space outerpace to seal the nozzle unit of the correspondence in described multiple nozzle unit;
Travel mechanism, described travel mechanism is configured to relative to described jet head liquid to move each block device, so that each block device is placed in contact condition or released state, under described contact condition, described block device contacts with described jet head liquid, under described released state, described block device is be separated relative to described jet head liquid;
Multiple suction tube, each suction tube is connected to the corresponding corresponding block device in described multiple block device;
Aspirating mechanism, described aspirating mechanism is configured to the fluid aspirated by generation suction force in described block device;
Jockey, described jockey is configured to described aspirating mechanism is connected to each in described multiple suction tube; And
Control device, described control device is configured to:
Control described jockey and described travel mechanism so that described liquid injection device is placed in the first state, in said first condition, described aspirating mechanism is connected in described multiple suction tube, be connected to the first suction tube of the described block device corresponding with in described multiple nozzle unit, to aspirate in the on state and the fluid in the described corresponding described block device in described multiple nozzle unit, and described aspirating mechanism is connected in described multiple suction tube, be connected to the second suction tube from the different corresponding described block devices in described multiple nozzle unit, to aspirate in sealed states and the fluid in the described different corresponding described block devices in described multiple nozzle unit, wherein, under described opening, described one in described multiple nozzle unit is not sealed relative to described space outerpace, under described sealing state, described different one in described multiple nozzle unit is sealed relative to described space outerpace,
Control described aspirating mechanism with in said first condition, suction and the fluid in the described corresponding described block device in described multiple nozzle unit, and aspirate and the fluid in the described different corresponding described block devices in described multiple nozzle unit; And
Control described jockey so that described liquid injection device is placed in the second state, in said second condition, expiring in response to predetermined amount of time, be connected to and disconnected by from described aspirating mechanism with described first suction tube of the described corresponding described block device in described multiple nozzle unit, described predetermined amount of time is that described aspirating mechanism produces the predetermined time amount of described suction force in said first condition, wherein, in said second condition, be connected to and be connected to described aspirating mechanism from described second suction tube of the described different corresponding described block devices in described multiple nozzle unit.
2. liquid injection device according to claim 1, wherein, described jockey comprises further:
Housing, described housing has multiple open communication, and inner space is connected with described space outerpace via described open communication, and
Rotating member, described rotating member has flow path and is configured to rotate in the described inner space of described housing,
Wherein, each in described multiple suction tube is connected to one in described multiple open communication respectively, and described flow path is configured to, along with described rotating member rotate in one direction time, described flow path is connected with the first open communication in described multiple open communication according to priority and is connected with the second open communication with described first open communication in described multiple open communication, and
Wherein, described control device is configured to rotate described rotating member in the one direction, to connect at least one in described aspirating mechanism and described multiple suction tube.
3. liquid injection device according to claim 1, wherein,
Described control device is configured to control described aspirating mechanism further, to aspirate in said second condition and the fluid in the described different corresponding described block devices in described nozzle unit.
4. liquid injection device according to claim 3, wherein,
Further predetermined amount of time is the predetermined time amount under described liquid injection device is in described second state, and in response to expiring of described further predetermined amount of time, described control device is configured to further:
Control described aspirating mechanism, with suction under described opening and the fluid in the described different corresponding described block devices in described nozzle unit; And
Control described jockey, described aspirating mechanism to be connected to the suction tube be connected with another the corresponding described block device in described nozzle unit.
5. liquid injection device according to claim 1, wherein,
Suction time segment length in or equal to aspirate in said first condition the whole required times with the maximum amount of liquid in the described corresponding described block device in described multiple nozzle unit.
6. liquid injection device according to claim 1, wherein, described jockey comprises further:
First connection path, described first connection path is used for described aspirating mechanism being connected to the described suction tube be connected with the described block device under described opening, and
Second access path, described second access path is used for described aspirating mechanism being connected to the described suction tube be connected with the described block device under described sealing state,
Wherein, the area of section of described first connection path is less than the area of section of described second access path.
7. liquid injection device according to claim 2, wherein,
Described jockey comprises the access path being configured to described flow path is connected to described space outerpace further.
8. liquid injection device according to claim 7, wherein,
The area of section of described access path is less than the area of section of described flow path.
9. liquid injection device according to claim 1, wherein, described control device is configured to:
Control described travel mechanism, thus make under described sealing state, end and the described jet head liquid of described block device contact to seal corresponding nozzle unit;
Control described travel mechanism, thus make under described opening, end and the described jet head liquid of described block device are separated to open corresponding nozzle unit.
10. liquid injection device according to claim 1, wherein, described block device comprises air connection path and air communication valve further, described air connection path is configured to the inner space of described block device to be connected to described space outerpace, described air communication valve is configured to open and close described air connection path
Wherein, described control device is configured to:
Control described travel mechanism and described block device, thus make under described sealing state, the end of described block device contacts with described jet head liquid, and makes described air connection path be closed to seal corresponding nozzle unit relative to described space outerpace by described air communication valve;
Control described travel mechanism and described block device, thus make under described opening, the end of described block device contacts with described jet head liquid, and makes described air connection path be opened to open corresponding nozzle unit relative to described space outerpace by described air communication valve.
11. liquid injection devices according to claim 1, wherein,
Described control device is configured to control described travel mechanism further, thus makes each the block device not being connected to described aspirating mechanism in described block device be in described sealing state.
12. liquid injection devices according to claim 1, wherein, described control device is configured to:
Control described jockey and described travel mechanism, so that described liquid injection device is placed in the third state, under the described third state, described aspirating mechanism be connected in described multiple suction tube, be connected to described first suction tube with the described corresponding described block device in described multiple nozzle unit, with suction under described sealing state and the fluid in the described corresponding described block device in described multiple nozzle unit; And
Control described aspirating mechanism, to aspirate and the fluid in the described corresponding described block device in described multiple nozzle unit,
Wherein, expiring in response to another predetermined amount of time, described liquid injection device is placed in described first state, and another predetermined amount of time described is the predetermined time amount that described aspirating mechanism produces described suction force under the described third state.
13. 1 kinds of methods safeguarding liquid injection device, described liquid injection device comprises:
Comprise the jet head liquid of multiple nozzle unit, each nozzle unit comprises one or more for the nozzle from its atomizing of liquids;
Multiple block device, each block device is configured to relative to space outerpace to seal the nozzle unit of the correspondence in described multiple nozzle unit;
Travel mechanism, described travel mechanism is configured to relative to described jet head liquid to move each block device, so that each block device is placed in contact condition or released state, under described contact condition, described block device contacts with described jet head liquid, under described released state, described block device is be separated relative to described jet head liquid;
Multiple suction tube, each suction tube is connected to the corresponding corresponding block device in described multiple block device;
Aspirating mechanism, described aspirating mechanism is configured to the fluid aspirated by generation suction force in described block device;
Jockey, described jockey is configured to described aspirating mechanism is connected to each in described multiple suction tube; And
Control device,
Described method comprises:
Control described jockey and described travel mechanism so that described liquid injection device is placed in the first state, in said first condition, described aspirating mechanism is connected in described multiple suction tube, be connected to the first suction tube of the described block device corresponding with in described multiple nozzle unit, to aspirate in the on state and the fluid in the described corresponding described block device in described multiple nozzle unit, and described aspirating mechanism is connected in described multiple suction tube, be connected to the second suction tube from the different corresponding described block devices in described multiple nozzle unit, to aspirate in sealed states and the fluid in the described different corresponding described block devices in described multiple nozzle unit, wherein, under described opening, described one in described multiple nozzle unit is not sealed relative to described space outerpace, under described sealing state, described different one in described multiple nozzle unit is sealed relative to described space outerpace,
Control described aspirating mechanism with in said first condition, suction and the fluid in the described corresponding described block device in described multiple nozzle unit, and aspirate and the fluid in the described different corresponding described block devices in described multiple nozzle unit; And
Control described jockey so that described liquid injection device is placed in the second state, in said second condition, expiring in response to predetermined amount of time, be connected to and disconnected by from described aspirating mechanism with described first suction tube of the described corresponding described block device in described multiple nozzle unit, described predetermined amount of time is that described aspirating mechanism produces the predetermined time amount of described suction force in said first condition, wherein, in said second condition, be connected to and be connected to described aspirating mechanism from described second suction tube of the described different corresponding described block devices in described multiple nozzle unit.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012288991A JP6003639B2 (en) | 2012-12-28 | 2012-12-28 | Liquid ejection device |
| JP2012-288991 | 2012-12-28 | ||
| JP2012-288993 | 2012-12-28 | ||
| JP2012288993A JP6011336B2 (en) | 2012-12-28 | 2012-12-28 | Liquid ejection apparatus and program |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103909736A CN103909736A (en) | 2014-07-09 |
| CN103909736B true CN103909736B (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310741583.9A Active CN103909736B (en) | 2012-12-28 | 2013-12-27 | Liquid injection device and method |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US9180670B2 (en) |
| CN (1) | CN103909736B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016013610A1 (en) * | 2016-11-15 | 2018-05-17 | Voxeljet Ag | Intra-head printhead maintenance station for powder bed-based 3D printing |
| JP7206791B2 (en) * | 2018-10-19 | 2023-01-18 | 京セラドキュメントソリューションズ株式会社 | Recording head cap unit and inkjet recording apparatus having the same |
| JP2020121471A (en) * | 2019-01-30 | 2020-08-13 | 株式会社リコー | Device for discharging liquid and program |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10181034A (en) | 1996-12-27 | 1998-07-07 | Canon Inc | Ink jet recording device |
| JP4433524B2 (en) * | 1999-09-16 | 2010-03-17 | ブラザー工業株式会社 | Inkjet recording device |
| JP4154912B2 (en) * | 2002-03-29 | 2008-09-24 | ブラザー工業株式会社 | Inkjet recording device |
| WO2004069545A1 (en) * | 2003-02-04 | 2004-08-19 | Brother Kogyo Kabushiki Kaisha | Air bubble removal in an ink jet printer |
| JP2007301991A (en) | 2006-04-14 | 2007-11-22 | Seiko Epson Corp | Maintenance device for liquid injection head, and liquid injection device |
| JP4853369B2 (en) * | 2006-04-18 | 2012-01-11 | セイコーエプソン株式会社 | Liquid ejector |
| JP4830835B2 (en) * | 2006-12-15 | 2011-12-07 | ブラザー工業株式会社 | Inkjet printer |
| JP2009045898A (en) * | 2007-08-22 | 2009-03-05 | Seiko Epson Corp | Maintenance device for liquid jet head and liquid jet apparatus |
| JP2010125746A (en) | 2008-11-28 | 2010-06-10 | Mimaki Engineering Co Ltd | Inkjet printer |
| US20100302309A1 (en) * | 2009-05-29 | 2010-12-02 | Brother Kogyo Kabushiki Kaisha | Ink Jet Printer |
| JP5088515B2 (en) * | 2010-03-30 | 2012-12-05 | ブラザー工業株式会社 | Liquid ejector |
-
2013
- 2013-12-27 CN CN201310741583.9A patent/CN103909736B/en active Active
- 2013-12-27 US US14/142,675 patent/US9180670B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20140247303A1 (en) | 2014-09-04 |
| CN103909736A (en) | 2014-07-09 |
| US9180670B2 (en) | 2015-11-10 |
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